EP 2679311 A1 20140101 - Foam prevention in the reverse flotation process for purifying calcium carbonate
Title (en)
Foam prevention in the reverse flotation process for purifying calcium carbonate
Title (de)
Schaumprävention beim Umkehrflotationsverfahren zur Reinigung von Calciumcarbonat
Title (fr)
Prévention de mousse dans le processus de flottation inverse pour purifier le carbonate de calcium
Publication
Application
Priority
EP 12004894 A 20120630
Abstract (en)
Foam prevention in the reverse flotation process for purifying calcium carbonate This invention relates to an composition, comprising A) at least one quaternary ammonium compound which is a collector for the reverse flotation of magnesium minerals from calcium carbonate B) at least one antifoam agent C) a solvent and its use in the reverse flotation of calcium carbonate.
IPC 8 full level
B03D 1/01 (2006.01); B01D 19/04 (2006.01)
CPC (source: EP RU US)
B01D 19/04 (2013.01 - EP RU US); B01D 19/0409 (2013.01 - EP US); B01D 19/0413 (2013.01 - EP US); B01D 19/0418 (2013.01 - EP US); B01D 19/0422 (2013.01 - EP US); B01D 19/0436 (2013.01 - EP US); B01D 19/0468 (2013.01 - EP US); B03D 1/0043 (2013.01 - EP RU US); B03D 1/008 (2013.01 - EP US); B03D 1/011 (2013.01 - EP RU US); B03D 1/02 (2013.01 - RU US); C01F 11/185 (2013.01 - US); B03D 1/0046 (2013.01 - EP US); B03D 1/006 (2013.01 - EP US); B03D 2201/007 (2013.01 - EP RU US); B03D 2201/02 (2013.01 - EP RU US); B03D 2203/02 (2013.01 - EP RU US); B03D 2203/04 (2013.01 - EP RU US); B03D 2203/10 (2013.01 - EP RU US)
Citation (applicant)
- US 4995965 A 19910226 - MEHAFFEY JOSEPH L [US], et al
- US 5261539 A 19931116 - HANCOCK BILL A [US], et al
- US 5720873 A 19980224 - KLINGBERG ANDERS [SE], et al
- EP 2012930 B1 20110706 - AKZO NOBEL NV [NL]
- "Ullmann's Encyclopedia of Industrial Chemistry, Foam and Foam Control", 2012, WILEY-VCH VERLAG GMBH & CO. KGAA
Citation (search report)
- [XI] DE 2544910 A1 19770210 - FINANCIAL MINING IND SHIP [GR]
- [XI] US 2578790 A 19511218 - DUKE JAMES B
- [X] US 3117924 A 19640114 - BAARSON ROBERT E, et al
- [XI] DE 19602856 A1 19970731 - HENKEL KGAA [DE]
- [A] "Technical Data Sheet", 10 February 2005 (2005-02-10), pages 1 - 4, XP055047032, Retrieved from the Internet <URL:http://sc.akzonobel.com/en/fabric-cleaning/Documents/AkzoNobel_Antimicrobial_fatty_amine_derivatives.pdf> [retrieved on 20121206]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2679311 A1 20140101; AU 2013283913 A1 20140821; CA 2878077 A1 20140103; CL 2014002856 A1 20150206; CN 104520009 A 20150415; CO 7101249 A2 20141031; EP 2866942 A1 20150506; EP 3403726 A2 20181121; MA 37781 A1 20180330; MA 43325 A1 20200430; MA 43325 B1 20201130; MX 2014014720 A 20150217; PE 20150127 A1 20150207; RU 2014147740 A 20160620; RU 2625409 C2 20170713; TN 2014000539 A1 20160330; US 2015273481 A1 20151001; US 2018200731 A1 20180719; WO 2014000844 A1 20140103
DOCDB simple family (application)
EP 12004894 A 20120630; AU 2013283913 A 20130522; CA 2878077 A 20130522; CL 2014002856 A 20141023; CN 201380014492 A 20130522; CO 14224668 A 20141009; EP 13724171 A 20130522; EP 18170311 A 20130522; EP 2013001514 W 20130522; MA 37781 A 20130522; MA 43325 A 20130522; MX 2014014720 A 20130522; PE 2014001777 A 20130522; RU 2014147740 A 20130522; TN 2014000539 A 20141226; US 201314409258 A 20130522; US 201815923236 A 20180316